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AS 3579-1993 Cast iron wedge gate valves for general purposes

Standard Number:  AS 3579-1993
Title:  Cast iron wedge gate valves for general purposes
Language:  English
Publication Date:  1993/7/27
Execute Date:  1993/11/15
Revocatory Date:  2004/6/4
Status:  Withdrawn
International Classification for Standards (ICS)FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>>Valves>>Gate valves
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:20P.;A4  

Description:Specifies requirements for valves of inside screw, non-rising or outside screw, and rising stem in a nominal size range of DN 50 to DN 300. The valves are generally handwheel-operated and not recommended for buried service.  
Catalog:Document Contents
AS 3579-1993 CAST IRON WEDGE GATE VALVES FOR GENERAL PURPOSES
PREFACE
CONTENTS
SECTION 1 SCOPE AN D GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.3.1 Gate valve
1.3.2 Class
1.3.3 Maximum working pressure
1.3.4 Maximum working temperature
1.3.5 Face-to-face dimensions
1.3.6 Nominal size
1.4 DESIGNATION OF SIZE
1.5 PRESSURE CLASSIFICATION
SECTI ON 2 MATERIALS AND COMPONENTS
2.1 MATERIALS
2.2 DEZINCIFICATION-RESISTANT MATERIALS
SECTION 3 DESIGN, MANUFACTURE AND OPERATION
3.1 END CONNECTIONS
3.1.1 Flanged ends
3.1.2 Face-to-face dimensions
3.1.3 Shouldered ends
3.1.4 Grooved ends
3.2 COMPONENT DESIGN
3.2.1 Body-end ports
3.2.2 Body guides and wedge guides
3.2.3 Wedge travel
3.2.4 Body-to-bonnet connection
3.2.5 Stems (spindles)
3.2.6 Valve seats
3.2.7 Jointing material
3.2.8 Stem sealing
3.2.9 Dimensions
3.2.10 Stem and thrust collar
3.2.11 Wedge nut
3.2.12 Yokes
3.3 OPERATION
3.3.1 General
3.3.2 Direction
3.4 FINISH
SECTION 4 TESTING
4.1 GENERAL
4.2 TEST PRESSURES
4.3 TEST DURATION
4.4 TYPES OF TEST
4.4.1 ?Closed end? test (bulkhead testing condition)
4.5 TEST PROCEDURE
4.5.1 General
4.5.2 Body test
4.5.3 Valve seat test
SECTION 5 MARKING
5.1 BODY MARKINGS
5.2 DIRECTION OF CLOSURE
APPENDIX A - PURCHASING GUIDE
A1 GENERAL
A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
A3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
A4 MATTERS FOR AGREEMENT BETWEEN PURCHASER AND THE MANUFACTURER
  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  959KB
Tile in English:  Cast iron wedge gate valves for general purposes

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